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Merge pull request #568 from IENT/feature/HEVC3dReferenceDisplaySEIPa…
…rsing Add parsing of three_dimensional_reference_displays_info
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102 changes: 102 additions & 0 deletions
102
YUViewLib/src/parser/HEVC/SEI/three_dimensional_reference_displays_info.cpp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| /* This file is part of YUView - The YUV player with advanced analytics toolset | ||
| * <https://github.com/IENT/YUView> | ||
| * Copyright (C) 2015 Institut f�r Nachrichtentechnik, RWTH Aachen University, GERMANY | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation; either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * In addition, as a special exception, the copyright holders give | ||
| * permission to link the code of portions of this program with the | ||
| * OpenSSL library under certain conditions as described in each | ||
| * individual source file, and distribute linked combinations including | ||
| * the two. | ||
| * | ||
| * You must obey the GNU General Public License in all respects for all | ||
| * of the code used other than OpenSSL. If you modify file(s) with this | ||
| * exception, you may extend this exception to your version of the | ||
| * file(s), but you are not obligated to do so. If you do not wish to do | ||
| * so, delete this exception statement from your version. If you delete | ||
| * this exception statement from all source files in the program, then | ||
| * also delete it here. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http:https://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
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| #include "three_dimensional_reference_displays_info.h" | ||
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| #include <parser/common/Functions.h> | ||
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| namespace parser::hevc | ||
| { | ||
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| using namespace reader; | ||
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| SEIParsingResult three_dimensional_reference_displays_info::parse( | ||
| reader::SubByteReaderLogging &reader, | ||
| bool reparse, | ||
| VPSMap &vpsMap, | ||
| SPSMap &spsMap, | ||
| std::shared_ptr<seq_parameter_set_rbsp> associatedSPS) | ||
| { | ||
| (void)reparse; | ||
| (void)vpsMap; | ||
| (void)spsMap; | ||
| (void)associatedSPS; | ||
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| SubByteReaderLoggingSubLevel subLevel(reader, "three_dimensional_reference_displays_info"); | ||
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| this->prec_ref_display_width = reader.readUEV("prec_ref_display_width"); | ||
| this->ref_viewing_distance_flag = reader.readFlag("ref_viewing_distance_flag"); | ||
| if (this->ref_viewing_distance_flag) | ||
| this->prec_ref_viewing_dist = reader.readUEV("prec_ref_viewing_dist"); | ||
| this->num_ref_displays_minus1 = reader.readUEV("num_ref_displays_minus1"); | ||
| for (unsigned i = 0; i <= num_ref_displays_minus1; ++i) | ||
| { | ||
| this->left_view_id.push_back(reader.readUEV(formatArray("left_view_id", i))); | ||
| this->right_view_id.push_back(reader.readUEV(formatArray("right_view_id", i))); | ||
| this->exponent_ref_display_width.push_back( | ||
| reader.readBits(formatArray("exponent_ref_display_width", i), 6)); | ||
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| const auto refDispWidthBits = | ||
| this->exponent_ref_display_width.at(i) == 0 | ||
| ? std::max(uint64_t(0), this->prec_ref_display_width - 30) | ||
| : std::max(uint64_t(0), | ||
| this->exponent_ref_display_width.at(i) + this->prec_ref_display_width - 31); | ||
| this->mantissa_ref_display_width.push_back( | ||
| reader.readBits(formatArray("mantissa_ref_display_width", i), refDispWidthBits)); | ||
|
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| if (this->ref_viewing_distance_flag) | ||
| { | ||
| this->exponent_ref_viewing_distance.push_back( | ||
| reader.readBits(formatArray("exponent_ref_viewing_distance", i), 6)); | ||
|
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| const auto refViewDistBits = exponent_ref_viewing_distance.at(i) == 0 | ||
| ? std::max(uint64_t(0), this->prec_ref_viewing_dist - 30) | ||
| : std::max(uint64_t(0), | ||
| this->exponent_ref_viewing_distance.at(i) + | ||
| this->prec_ref_viewing_dist - 31); | ||
| this->mantissa_ref_viewing_distance.push_back( | ||
| reader.readBits(formatArray("mantissa_ref_viewing_distance", i), refViewDistBits)); | ||
| } | ||
| this->additional_shift_present_flag.push_back( | ||
| reader.readFlag(formatArray("additional_shift_present_flag", i))); | ||
| if (this->additional_shift_present_flag.at(i)) | ||
| this->num_sample_shift_plus512[i] = | ||
| reader.readBits(formatArray("num_sample_shift_plus512", i), 10); | ||
| } | ||
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| this->three_dimensional_reference_displays_extension_flag = | ||
| reader.readFlag("three_dimensional_reference_displays_extension_flag"); | ||
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| return SEIParsingResult::OK; | ||
| } | ||
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| } // namespace parser::hevc |
69 changes: 69 additions & 0 deletions
69
YUViewLib/src/parser/HEVC/SEI/three_dimensional_reference_displays_info.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /* This file is part of YUView - The YUV player with advanced analytics toolset | ||
| * <https://github.com/IENT/YUView> | ||
| * Copyright (C) 2015 Institut f�r Nachrichtentechnik, RWTH Aachen University, GERMANY | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation; either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * In addition, as a special exception, the copyright holders give | ||
| * permission to link the code of portions of this program with the | ||
| * OpenSSL library under certain conditions as described in each | ||
| * individual source file, and distribute linked combinations including | ||
| * the two. | ||
| * | ||
| * You must obey the GNU General Public License in all respects for all | ||
| * of the code used other than OpenSSL. If you modify file(s) with this | ||
| * exception, you may extend this exception to your version of the | ||
| * file(s), but you are not obligated to do so. If you do not wish to do | ||
| * so, delete this exception statement from your version. If you delete | ||
| * this exception statement from all source files in the program, then | ||
| * also delete it here. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http:https://www.gnu.org/licenses/>. | ||
| */ | ||
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| #pragma once | ||
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| #include "parser/common/SubByteReaderLogging.h" | ||
| #include "sei_message.h" | ||
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| namespace parser::hevc | ||
| { | ||
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| class three_dimensional_reference_displays_info : public sei_payload | ||
| { | ||
| public: | ||
| three_dimensional_reference_displays_info() = default; | ||
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| SEIParsingResult parse(reader::SubByteReaderLogging & reader, | ||
| bool reparse, | ||
| VPSMap & vpsMap, | ||
| SPSMap & spsMap, | ||
| std::shared_ptr<seq_parameter_set_rbsp> associatedSPS) override; | ||
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| uint64_t prec_ref_display_width{}; | ||
| bool ref_viewing_distance_flag{}; | ||
| uint64_t prec_ref_viewing_dist{}; | ||
| uint64_t num_ref_displays_minus1{}; | ||
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| vector<uint64_t> left_view_id; | ||
| vector<uint64_t> right_view_id; | ||
| vector<uint64_t> exponent_ref_display_width; | ||
| vector<uint64_t> mantissa_ref_display_width; | ||
| vector<uint64_t> exponent_ref_viewing_distance; | ||
| vector<uint64_t> mantissa_ref_viewing_distance; | ||
| vector<bool> additional_shift_present_flag; | ||
| umap_1d<uint64_t> num_sample_shift_plus512; | ||
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| bool three_dimensional_reference_displays_extension_flag{}; | ||
| }; | ||
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| } // namespace parser::hevc |